OpenTechnical

OT-2026-000103703

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, single stage ejector, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000103703) never changes.

Identity and time

Publication numberOT-2026-000103703 · never reused
Internal UUID01a0aea4-e462-7d8e-b50b-6e2de7db0056 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103703
StatusPUBLIC

Content hashes

Canonical text16a6d756e82a7651b28be8f2d37a23e8f5eb6328f8f3ae649b25d32a0291f669
Markdown782a1ea30a83dd4e78ff35115f297a729fa6665db9c40e91795ff06316719dcd
PDF
Publication page7d99b54cd5c4e0e54921c38a59591377565c9f6a8e81ace28ec2d9645e11bfcf
Manifest655a7646ed3aa8bb54ed53778f9afa2f6f497aee6f9a3918e37a0d8aadcf3ccd

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureTTxcSvD94YFXRi/t1ii0HKBerXlXLw8xJoGQCI7p22JE6l/MuGeVkCfuMZ4MR3lqAXDxfsEs3JywNW9G6EA7Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:30.615374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103703
observed 7d99b54cd5c4e0e54921c38a59591377...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:30.598347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103703/manifest.json
observed 655a7646ed3aa8bb54ed53778f9afa2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:30.579808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103703/publication.md
observed 782a1ea30a83dd4e78ff35115f297a72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:30.562792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103703/publication.txt
observed 16a6d756e82a7651b28be8f2d37a23e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.